[BUGFIX] Run silent upgraders after install tool login

On successful login to standalone install tool, the routing
should jump to the silent upgraders and not to the main layout
directy to make sure the upgraders are executed at least once
before the maintenance view is loaded.

Resolves: #86386
Releases: master
Change-Id: I1246493671645d899780bb9ff1b08ed5682115a3
Reviewed-on: https://review.typo3.org/58398


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>